A decentralized distributed ledger that can only be appended to and has a synchronization mechanism constitutes a blockchain network. It logs every transaction and verifies the origin of any assets involved in those transactions in chronological order using cryptographic links between each block. Blockchain technology, in contrast to centralized apps found on the internet, does not have a single controlling authority. The distributed ledger system (blockchain) consists of a network of nodes, each of which copies the ledger. It is seen in a public capacity by every user that is connected to the network [1]}. Because only the wallet address may be matched to a transaction, all of the transactions are open to public scrutiny while maintaining a veneer of anonymity [2]}. The first practical implementation of blockchain technology was the "cryptocurrency" Bitcoin [3]}, which is also known as a "decentralized digital currency" that is verified by encryption. After that, a plethora of brand-new currencies, each with their own set of distinctive characteristics, such as Ethereum [4]}, emerged. The basic architecture of a blockchain network is illustrated in Figure 1.
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